Back in 2006, we said:

...Meanwhile, a new GXP model was added to the line at mid-year 2005 and comes with a potent 5.3-liter V-8 that generates 290 horsepower and 325 lb-ft of torque, This engine includes Displacement on Demand technology that enables it to sip up to 12 percent less petroleum by deactivating half of the engine's cylinders when they're not needed, such as at cruising speeds. A high-performance, four-speed automatic transmission allows aggressive manual gear changes via Formula-One racing style "TAPShift" controls on the steering wheel. Its sport-tuned suspension promises uncompromising... Read More